4222977779 has 4 divisors (see below), whose sum is σ = 4241418960. Its totient is φ = 4204536600.

The previous prime is 4222977751. The next prime is 4222977797. The reversal of 4222977779 is 9777792224.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4222977779 - 2²⁸ = 3954542323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4222977749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9220247 + ... + 9220704.

It is an arithmetic number, because the mean of its divisors is an integer number (1060354740).

Almost surely, 2^4222977779 is an apocalyptic number.

4222977779 is a deficient number, since it is larger than the sum of its proper divisors (18441181).

4222977779 is a wasteful number, since it uses less digits than its factorization.

4222977779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18441180.

The product of its digits is 6223392, while the sum is 56.

The square root of 4222977779 is about 64984.4425920543. The cubic root of 4222977779 is about 1616.3655987255.

The spelling of 4222977779 in words is "four billion, two hundred twenty-two million, nine hundred seventy-seven thousand, seven hundred seventy-nine".